Beam quality: no dataTarget: Self-supporting 10B and 11B foil of area densities between 30 and 50 μg/cm2 and 9Be foils of area densities 200 μg/cm2.Data obtained: author graph (digitized with GSYS 2.4)The measurements were performed using O an F beams from the University of Sao Paulo Pelletron accelerator.